54458221 has 2 divisors, whose sum is σ = 54458222. Its totient is φ = 54458220.

The previous prime is 54458197. The next prime is 54458233. The reversal of 54458221 is 12285445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53436100 + 1022121 = 7310^2 + 1011^2 .

It is a cyclic number.

It is not a de Polignac number, because 54458221 - 2²⁵ = 20903789 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54458321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27229110 + 27229111.

It is an arithmetic number, because the mean of its divisors is an integer number (27229111).

Almost surely, 2^54458221 is an apocalyptic number.

It is an amenable number.

54458221 is a deficient number, since it is larger than the sum of its proper divisors (1).

54458221 is an equidigital number, since it uses as much as digits as its factorization.

54458221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12800, while the sum is 31.

The square root of 54458221 is about 7379.5813566896. The cubic root of 54458221 is about 379.0424204647.

The spelling of 54458221 in words is "fifty-four million, four hundred fifty-eight thousand, two hundred twenty-one".